LAYER3 INTEL
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Data as of Nov 10, 2026
Autonomous system

AS1781

Korea Advanced Institute of Science and Technology

Announces 90,112 addresses in 8 prefixes. None of it is anonymizer space.

Type
Education
KR
Proxy activity, 30 days
121 exits

Announced prefixes

All 8
Arrived
PrefixTypeProxy exitsHolderRPKI
137.68.0.0/18
since Jan 2017
Business
143.248.0.0/16
since May 2005
Business62
3 always on
143.248.0.0/18
since Sep 2025
Business21
1 always on
143.248.64.0/18
since Sep 2025
Business22
2 always on
143.248.128.0/18
since Sep 2025
Business10
143.248.192.0/18
since Sep 2025
Business9
192.249.16.0/20
since Apr 2009
Business57
210.107.128.0/20
since Sep 2009
BusinessKISTI

Residential-proxy exposure

Always-on exits
3
2.5% of its exits
Spread
48
/24s with at least one exit
Providers
66
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
143.248.115.0/2412
143.248.16.0/2411
143.248.121.0/2411
192.249.16.0/24057
143.248.153.0/2402
143.248.152.0/2402
143.248.233.0/2402
143.248.230.0/2402
143.248.174.0/2402
143.248.173.0/2402
143.248.52.0/2402
143.248.55.0/2402
143.248.58.0/2402
143.248.125.0/2402
143.248.122.0/2402
143.248.62.0/2402
143.248.11.0/2402
143.248.114.0/2402
143.248.6.0/2401
143.248.73.0/2401
143.248.68.0/2401
143.248.74.0/2401
143.248.84.0/2401
143.248.92.0/2401

Proxy providers listing exits

  • 2Captcha
  • Ake.net
  • AnyIP
  • BartProxies
  • BirdProxies
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CliProxy
  • DataImpulse
  • Datarama
  • EnigmaProxy
  • Evomi
  • FLEETPROXY
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • GeekProxy
  • Geonix
  • GonzoProxy
  • HydraProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • LemonBright
  • LemonLabs
  • LemonPrime
  • LightningProxies
  • MangoProxy
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovaProxy
  • PROXYSCRAPE
  • PSBProxy
  • PacketStream
  • PrivateByte
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyHat
  • ProxyRack
  • Proxying
  • Proxyma
  • PuraRoute
  • Q2IP
  • QUANTICDATA
  • RainProxy
  • Shifter
  • Smartproxy
  • StrikeProxy
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VibeProxies
  • VitalData
  • VitalExclusive
  • VitalProxy
  • ZENPROXY_PREMIUM

Proxy activity

Oct 11, 2026 – Nov 9, 2026

AS1781, day by day

14K observations

Network & history

NetworkHistory
Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it